:root {
  --primary-color: #2196F3;
  --secondary-color: #FF5722;
  --accent-color: #4CAF50;
  --text-color: #333;
  --bg-color: #f5f5f5;
  --card-bg: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: var(--text-color);
  background: var(--bg-color);
}

.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  background: linear-gradient(135deg, #1a237e, #0d47a1);
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('./grid-pattern.svg');
  opacity: 0.1;
  animation: move 20s linear infinite;
}

.logo {
  width: 120px;
  height: 120px;
  margin-bottom: 2rem;
  animation: pulse 2s infinite;
}

.title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  background: linear-gradient(45deg, #fff, #e3f2fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.subtitle {
  font-size: 1.5rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-button {
  display: inline-block;
  padding: 1rem 2rem;
  font-size: 1.2rem;
  font-weight: 600;
  color: white;
  background: var(--secondary-color);
  border-radius: 30px;
  text-decoration: none;
  transition: transform 0.3s, box-shadow 0.3s;
  margin: 1rem;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.features {
  padding: 4rem 2rem;
  background: white;
}

.features-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem;
}

.feature-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.feature-card:hover {
  transform: translateY(-5px);
}

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--primary-color);
}

.categories {
  padding: 4rem 2rem;
  background: #f8f9fa;
}

.category-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  padding: 2rem;
}

.category-card {
  background: var(--card-bg);
  padding: 2rem;
  border-radius: 15px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
  transition: transform 0.3s;
}

.category-card:hover {
  transform: scale(1.05);
}

.category-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 1rem;
}

.stats {
  padding: 4rem 2rem;
  background: linear-gradient(135deg, #1a237e, #0d47a1);
  color: white;
}

.stats-grid {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  padding: 2rem;
}

.stat-card {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 0.5rem;
}

.cta-section {
  padding: 4rem 2rem;
  text-align: center;
  background: white;
}

footer {
  padding: 2rem;
  text-align: center;
  background: #1a237e;
  color: white;
}

@keyframes pulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes move {
  0% { background-position: 0 0; }
  100% { background-position: 50px 50px; }
}

@media (max-width: 768px) {
  .title {
    font-size: 2.5rem;
  }
  
  .subtitle {
    font-size: 1.2rem;
  }
  
  .features-grid,
  .category-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }
}
